Question

can you help me with this
Calculate the pH from each H3O" concentration.

Part 1 of 2

[H30+ = 4.5 x 10^-4

pH =

M. Be sure your answer has the correct number of significant figures.

Part 2 of 2

H30 = 0.00028 M. Be sure your answer has the correct number of significant figures.

pH =

Answers

GPT 3.5
Part 1:

pH = -log(4.5 x 10^-4) = -log(4.5) + 4 = 3.35

Therefore, the pH for [H3O+] = 4.5 x 10^-4 is 3.35.

Part 2:

pH = -log(0.00028) = -log(2.8 x 10^-4) = -log(2.8) + 4 = 3.55

Therefore, the pH for [H3O+] = 0.00028 M is 3.55.

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